-34.92% is the change from 189 to 123
Calculation steps:
[( 123 - 189 ) ÷ 189] x 100 = -34.92%
Formula
Percentage change = [(123 - 189) / 189] x 100
Subtract the new number by the original number
123 - 189 = -66
-66 ÷ 189 = -0.3492063492063492
-0.3492063492063492 x 100 = -34.92%